Hillary Clinton Signs Plutonium Disposition Protocol With Russian FM

Chip Somodevilla

Secretary of State Hillary Rodham Clinton (L) and Russian Foreign Minister Sergey Lavrov smile after signing an agreement on eliminating excess weapon-grade plutonium from their defense programs during the Nuclear Safety Summit at the Washington Convention Center April 13, 2010 in Washington, DC. Clinton said the irreversable process of desposing of each countries excess weapon-grade plutonium, enough material for several thousand nuclear weapons, will prevent it from falling into the hands of terrorists.

Secretary of State Hillary Rodham Clinton (L) and Russian Foreign Minister Sergey Lavrov smile after signing an agreement on eliminating excess weapon-grade plutonium from their defense programs during the Nuclear Safety Summit at the Washington Convention Center April 13, 2010 in Washington, DC. Clinton said the irreversable process of desposing of each countries excess weapon-grade plutonium, enough material for several thousand nuclear weapons, will prevent it from falling into the hands of terrorists.

World Leaders Gather For Nuclear Security Summit 2014

Sean Gallup

Minister of Foreign Affairs Sergey Lavrov of Russia leads his team out of the plane after arriving at Amsterdam Schiphol Airport to attend the 2014 Nuclear Security Summit March 23, 2014 in Haarlemmermeer, Netherlands. The Nuclear Security Summit, held March 24-25, will attended by world leaders and is aimed at preventing nuclear terrorism.

Minister of Foreign Affairs Sergey Lavrov of Russia leads his team out of the plane after arriving at Amsterdam Schiphol Airport to attend the 2014 Nuclear Security Summit March 23, 2014 in Haarlemmermeer, Netherlands. The Nuclear Security Summit, held March 24-25, will attended by world leaders and is aimed at preventing nuclear terrorism.

Foreign Ministers Meet Over Ukraine Crisis

Sean Gallup

Russian Foreign Minister Sergey Lavrov arrives to meet with German Foreign Minister Frank-Walter Steinmeier, Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on January 21, 2015 in Berlin, Germany. The four men are meeting as fighting between the Ukrainian Army and Russian-backed separatists in the Donbas region of eastern Ukraine has increased in the last few weeks.

Russian Foreign Minister Sergey Lavrov arrives to meet with German Foreign Minister Frank-Walter Steinmeier, Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on January 21, 2015 in Berlin, Germany. The four men are meeting as fighting between the Ukrainian Army and Russian-backed separatists in the Donbas region of eastern Ukraine has increased in the last few weeks.

Foreign Ministers Meet Over Ukraine Crisis

Sean Gallup

Russian Foreign Minister Sergey Lavrov (L) and Ukrainian Foreign Minister Pavlo Klimkin pass by one another while arriving for a group photo with French Foreign Minister Laurent Fabius and German Foreign Minister Frank-Walter Steinmeier (both not pictured) during talks over the ongoing conflict in eastern Ukraine at Villa Borsig on August 17, 2014 in Berlin, Germany. The four men are meeting as at least one confirmed incursion by military vehicles from Russian soil into Ukraine and the statement by a separatist leader that Russia had supplied separatists fighting in Ukraine with heavy tanks, training and personnel have heightened tension as well as the fears of a possible imminent Russian invasion.

Russian Foreign Minister Sergey Lavrov (L) and Ukrainian Foreign Minister Pavlo Klimkin pass by one another while arriving for a group photo with French Foreign Minister Laurent Fabius and German Foreign Minister Frank-Walter Steinmeier (both not pictured) during talks over the ongoing conflict in eastern Ukraine at Villa Borsig on August 17, 2014 in Berlin, Germany. The four men are meeting as at least one confirmed incursion by military vehicles from Russian soil into Ukraine and the statement by a separatist leader that Russia had supplied separatists fighting in Ukraine with heavy tanks, training and personnel have heightened tension as well as the fears of a possible imminent Russian invasion.

Foreign Ministers Meet Over Ukraine Crisis

Thomas Koehler

French Foreign Minister Laurent Fabius, Ukrainian Foreign Minister Pavlo Klimkin, German Foreign Minister Frank-Walter Steinmeier and Russian Foreign Minister Sergey Lavrov walk in the villa garden while meeting to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on August 17, 2014 in Berlin, Germany. The four men are meeting following the one confirmed incursion by military vehicles from Russian soil into Ukraine and the statement by a separatist leader that Russia had supplied them with heavy tanks, training and personnel, which has heightened tension and increased fears of a possible imminent Russian invasion.

French Foreign Minister Laurent Fabius, Ukrainian Foreign Minister Pavlo Klimkin, German Foreign Minister Frank-Walter Steinmeier and Russian Foreign Minister Sergey Lavrov walk in the villa garden while meeting to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on August 17, 2014 in Berlin, Germany. The four men are meeting following the one confirmed incursion by military vehicles from Russian soil into Ukraine and the statement by a separatist leader that Russia had supplied them with heavy tanks, training and personnel, which has heightened tension and increased fears of a possible imminent Russian invasion.

Foreign Ministers Meet Over Ukraine Crisis

Thomas Koehler

German Foreign Minister Frank-Walter Steinmeier (L) greets Russian Foreign Minister Sergey Lavrov prior to talks with French Foreign Minister Laurent Fabius, Ukrainian Foreign Minister Pavlo Klimkin to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on August 17, 2014 in Berlin, Germany. The four men are meeting following the one confirmed incursion by military vehicles from Russian soil into Ukraine and the statement by a separatist leader that Russia had supplied them with heavy tanks, training and personnel, which has heightened tension and increased fears of a possible imminent Russian invasion.

German Foreign Minister Frank-Walter Steinmeier (L) greets Russian Foreign Minister Sergey Lavrov prior to talks with French Foreign Minister Laurent Fabius, Ukrainian Foreign Minister Pavlo Klimkin to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on August 17, 2014 in Berlin, Germany. The four men are meeting following the one confirmed incursion by military vehicles from Russian soil into Ukraine and the statement by a separatist leader that Russia had supplied them with heavy tanks, training and personnel, which has heightened tension and increased fears of a possible imminent Russian invasion.

Foreign Ministers Meet Over Ukraine Crisis

Sean Gallup

Russian Foreign Minister Sergey Lavrov (L) greets German Foreign Minister Frank-Walter Steinmeier upon Lavrov's arrival to meet also with Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on January 21, 2015 in Berlin, Germany. The four men are meeting as fighting between the Ukrainian Army and Russian-backed separatists in the Donbas region of eastern Ukraine has increased in the last few weeks.

Russian Foreign Minister Sergey Lavrov (L) greets German Foreign Minister Frank-Walter Steinmeier upon Lavrov's arrival to meet also with Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on January 21, 2015 in Berlin, Germany. The four men are meeting as fighting between the Ukrainian Army and Russian-backed separatists in the Donbas region of eastern Ukraine has increased in the last few weeks.

Foreign Ministers Discuss Ukraine Crisis

Pool

Russian Foreign Minister Sergei Lavrov, German Foreign Minister Frank-Walter Steinmeier, Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius pose at Villa Borsig, the Federal Foreign Office Guest House on Lake Tegel, as they attend talks on diffusing the current military conflict in eastern Ukraine on January 12, 2015 in Berlin, Germany. Skirmishes are continuing between the Ukrainian army and pro-Russian separatists in the Donbas region, despite previous announcements of ceasefires and negotiations.

Russian Foreign Minister Sergei Lavrov, German Foreign Minister Frank-Walter Steinmeier, Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius pose at Villa Borsig, the Federal Foreign Office Guest House on Lake Tegel, as they attend talks on diffusing the current military conflict in eastern Ukraine on January 12, 2015 in Berlin, Germany. Skirmishes are continuing between the Ukrainian army and pro-Russian separatists in the Donbas region, despite previous announcements of ceasefires and negotiations.

Ukraine Conference In Berlin

Thomas Koehler

Pavlo Klimkin, Ukrainian Minister of Foreign Affairs, Frank-Walter Steinmeier, German Minister for Foreign Affairs, Sergey Lavrov, Russian Minister of Foreign Affairs and Laurent Fabius, French Minister of Foreign Affairs and International Development attend a press conference to discuss the issues surrounding the conflict in Ukraine on July 02, 2014 in the Foreign Ministry in Berlin, Germany.

Pavlo Klimkin, Ukrainian Minister of Foreign Affairs, Frank-Walter Steinmeier, German Minister for Foreign Affairs, Sergey Lavrov, Russian Minister of Foreign Affairs and Laurent Fabius, French Minister of Foreign Affairs and International Development attend a press conference to discuss the issues surrounding the conflict in Ukraine on July 02, 2014 in the Foreign Ministry in Berlin, Germany.

NATO Foreign Ministers Informal Meeting

Carsten Koall

Russian Foreign Minister Sergei Lavrov poses with German Foreign Minister Guido Westerwelle at an informal meeting of NATO member foreign ministers on April 15, 2011 in Berlin, Germany. The principal focus of the two-day meeting is the alliance's military involvement in the war in Libya, though it also includes special roundtables on the alliance's relationship to Russia, Ukraine and Georgia.

Russian Foreign Minister Sergei Lavrov poses with German Foreign Minister Guido Westerwelle at an informal meeting of NATO member foreign ministers on April 15, 2011 in Berlin, Germany. The principal focus of the two-day meeting is the alliance's military involvement in the war in Libya, though it also includes special roundtables on the alliance's relationship to Russia, Ukraine and Georgia.

Russian Foreign Minister Sergei Lavrov (L), Chinese Foreign Minister Wang Yi (C) and Indian Foreign Minister Sushma Swaraj (R) shake hands before the 13th trilateral meeting of Foreign Ministers from Russia, India and China (RIC) at Diaoyutai State guesthouse on February 2, 2015 in Beijing, China. This is the first visit by Swaraj to China since taking office, during which she will meet with Chinese leaders and attend the 13th trilateral meeting of RIC Foreign Ministers.

Russian Foreign Minister Sergei Lavrov (L), Chinese Foreign Minister Wang Yi (C) and Indian Foreign Minister Sushma Swaraj (R) shake hands before the 13th trilateral meeting of Foreign Ministers from Russia, India and China (RIC) at Diaoyutai State guesthouse on February 2, 2015 in Beijing, China. This is the first visit by Swaraj to China since taking office, during which she will meet with Chinese leaders and attend the 13th trilateral meeting of RIC Foreign Ministers.

Foreign Ministers Meet Over Ukraine Crisis

Sean Gallup

Russian Foreign Minister Sergey Lavrov, German Foreign Minister Frank-Walter Steinmeier, Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius pose for the media prior to meeting to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on January 21, 2015 in Berlin, Germany. The four men are meeting as fighting between the Ukrainian Army and Russian-backed separatists in the Donbas region of eastern Ukraine has increased in the last few weeks.

Russian Foreign Minister Sergey Lavrov, German Foreign Minister Frank-Walter Steinmeier, Ukrainian Foreign Minister Pavlo Klimkin and French Foreign Minister Laurent Fabius pose for the media prior to meeting to discuss the ongoing conflict in eastern Ukraine at Villa Borsig on January 21, 2015 in Berlin, Germany. The four men are meeting as fighting between the Ukrainian Army and Russian-backed separatists in the Donbas region of eastern Ukraine has increased in the last few weeks.